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20170314问题解析请点击今日问题下方的“【Java每日一题】20170315”查看 package Mar2017; public class Ques0315 { int x = 0; public Ques0315(int val) throws Exception { if (val != this.x) { throw new Exception("异常"); } } ...
20170313问题解析请点击今日问题下方的“【Java每日一题】20170314”查看 package Mar2017; public class Ques0314 { public static void main(String[] args) { try { return; } finally { System.out.println("finally"); } } } 今日问 ...
20170310问题解析请点击今日问题下方的“【Java每日一题】20170313”查看 package Mar2017; import java.io.IOException; public class Ques0313 { public static void main(String[] args) { System.out.println("before try"); try{ }catch (IOException e) { Syst ...
20170309问题解析请点击今日问题下方的“【Java每日一题】20170310”查看 package Mar2017; public class Ques0310 { static void test() { System.out.println("test method in Test class"); } public static void main(String[] args) { Ques0310 test = new Ques0310(); test.tes ...
20170308问题解析请点击今日问题下方的“【Java每日一题】20170309”查看 package Mar2017; public class Ques0309 { void Test(int i) { System.out.println("Int"); } void Test(String str) { System.out.println("String"); } public static vo ...
20170307问题解析请点击今日问题下方的“【Java每日一题】20170308”查看 package Mar2017; public class Ques0308 implements Runnable{ private String str1 = "this "; private int[] str2 = {1,2,3,4,5}; public static void main(String[] args) { Ques0308 test = new Ques0308(); ...
20170306问题解析请点击今日问题下方的“【Java每日一题】20170307”查看 package Mar2017; public class Ques0307 { private String s1 = "Ques0307 string"; class InnerClass { private String s2 = "inner string"; public void innerMethod() { ...
20170303问题解析请点击今日问题下方的“【Java每日一题】20170306”查看 package Mar2017; public class Ques0306 { static int i = 1; static { ++i; } public static void main(String[] args) { increment(i, 3); display(i); } static void increm ...
Spring Email抽象的核心是MailSender接口,MailSender的实现能够通过连接Email服务器实现邮件发送的功能,如下图: Spring自带一个MailSender的实现就是JavaMailSenderImpl,它也是使用JavaMail API来发送Email,在使用之前,必须先将JavaMailSenderImpl装配为Spring应用上下文中的一个bean,如下所示: @Bean public MailSender mailSender (Environment env) { JavaMailSenderImpl mailSender = new J ...
20170302问题解析请点击今日问题下方的“【Java每日一题】20170303”查看 package Mar2017; public class Ques0303 { public static void main(String[] args) { boolean flag = false; if (flag = true) { System.out.println("true"); }else { System.ou ...
20170301问题解析请点击今日问题下方的“【Java每日一题】20170302”查看 package Mar2017; public class Ques0302 { public static void main(String[] args) { String str1 = new String("123"); String str2 = new String("123"); str1 = str1 + 1; // 1 str1 = nu ...
20170228问题解析请点击今日问题下方的“【Java每日一题】20170301”查看 package Mar2017; public class Ques0301 { private int a = getB(); private int b = 1; private int getB(){ return b; } public static void main(String[] args) { System.out ...
20170227问题解析请点击今日问题下方的“【Java每日一题】20170228”查看 package Feb2017; import java.util.List; public class Ques0228 { List<T> List<?> List<Object> } 今日问题: 请问以上三者有什么区别?(点击以下“【Java每日一题】20170228”查看20170227问题解析) 题目原发布于公众号、简书:【Java每日一题】20170228,【Java每日一题 ...
20170224问题解析请点击今日问题下方的“【Java每日一题】20170227”查看 package Feb2017; import java.util.Arrays; public class Ques0227 { public static int getMax(int[] data) { Arrays.sort(data.clone()); return data[data.length - 1]; } } 今日问题: 上面的getMax方法是取数组的最大值,为什么要先使用d ...
20170223问题解析请点击今日问题下方的“【Java每日一题】20170224”查看 package Feb2017; import java.util.ArrayList; import java.util.List; public class Ques0224 { public static void main(String[] args) { List<Integer> list = new ArrayList<Integer>(); list.add(1); ...
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